Department of Mechanical Engineering

Prof. SUN, Yuxiang

Assistant Professor

  • Ph.D., The Chinese University of Hong Kong, 2017
  • M.S., University of Science and Technology of China, 2012
  • B.S., Hefei University of Technology, 2009
Office
YEUNG-G6720
Phone
(+852) 3442-4775
Email
yx.sun@cityu.edu.hk
Research Interests
  • Robotics and Embodied AI
  • Robot Learning
  • Vision-Language Action (VLA)
  • Vision-Language Navigation (VLN)
  • Mobile Manipulation
  • Quadruped/Humanoid Robots
  • Autonomous Navigation
  • Autonomous Driving
  • Robotic Perception and Control
Links

ORCID
Lab Website
Lab GitHub
CityUHK Scholars
Google Scholar

Honors and Awards
  • World’s Top 2% Most-Cited Scientists, by Stanford University, 2022, 2023, 2024, 2025
  • Global Top Chinese Young Scholars in AI (Top 50 in AI+X), AI華人青年學者榜, by Baidu, 2022 
Publications
  1. Haotian Li, Henry K. Chu, and Yuxiang Sun, “Spatial Balancing for RGB-Thermal Semantic Segmentation in Autonomous Driving: A Study from Analysis to Improvement,” IEEE Transactions on Robotics (TRO), vol. 42, pp. 1840-1855, 2026.
  2. Congfei Li, Shuyue Lin, Shenwei Qu, Zhuoyuan Liu, Qingjun Yang, Max Qing-Hu Meng, and Yuxiang Sun, “Stable Trajectory Planning for Quadruped Robots using Terrain Features at Feet End,” IEEE Robotics and Automation Letters (RAL), vol. 11, no. 2, pp. 2266-2273, 2026.
  3. Zhen Feng, Yanning Guo, Rui Fan, and Yuxiang Sun, “MMFSeg: Multi-Structure Multi-Feature Fusion for Segmentation of Road Potholes,” IEEE Transactions on Automation Science and Engineering (TASE), vol. 22, pp. 22742-22754, 2025.
  4. Shuang Gao, Qiang Wang, and Yuxiang Sun, “Seq-BEV: Semantic Bird-Eye-View Map Generation in Full View Using Sequential Images for Autonomous Driving,” IEEE Transactions on Intelligent Transportation Systems (TITS), vol. 26, no. 8, pp. 11454-11465, 2025.
  5. Shiyu Meng and Yuxiang Sun, “Semantic-MoSeg: Semantics-Assisted Moving-Obstacle Segmentation in Bird-Eye-View for Autonomous Driving,” IEEE Transactions on Intelligent Transportation Systems (TITS), vol. 26, no. 7, pp. 9251-9262, 2025.
  6. Shuang Gao, Qiang Wang, and Yuxiang Sun, “Boundary-Aware Semantic Bird-Eye-View Map Generation Based on Conditional Diffusion Models,” IEEE Transactions on Circuits and Systems for Video Technology (TCSVT), vol. 35, no. 10, pp. 10188-10198, 2025.
  7. Weixin Ma, Shoudong Huang, and Yuxiang Sun, “SkyLoc: Cross-Modal Global Localization With a Sky-Looking Fish-Eye Camera and OpenStreetMap,” IEEE Transactions on Intelligent Transportation Systems (TITS), vol. 26, no. 5, pp. 5832-5842, 2025.
  8. Haotian Li, Henry K. Chu, and Yuxiang Sun, “Improving RGB-Thermal Semantic Scene Understanding With Synthetic Data Augmentation for Autonomous Driving,” IEEE Robotics and Automation Letters (RAL), vol. 10, no. 5, pp. 4452-4459, 2025.
  9. Yan Wang, Henry K. Chu, and Yuxiang Sun, “PEAFusion: Parameter-efficient Adaptation for RGB-Thermal fusion-based semantic segmentation,” Information Fusion, vol. 120, p. 103030, 2025.
  10. Shuhuan Wen, Ziyuan Zhang, Yuxiang Sun, and Zhiwen Wang, “OVL-MAP: An Online Visual Language Map Approach for Vision-and-Language Navigation in Continuous Environments,” IEEE Robotics and Automation Letters (RAL), vol. 10, no. 4, pp. 3294-3301, 2025.
  11. Weixin Ma, Huan Yin, Patricia J. Y. Wong, Danwei Wang, Yuxiang Sun, and Zhongqing Su, “TripletLoc: One-Shot Global Localization Using Semantic Triplet in Urban Environments,” IEEE Robotics and Automation Letters (RAL), vol. 10, no. 2, pp. 1569-1576, 2025.
  12. Jianxin Huang, Jiahang Li, Ning Jia, Yuxiang Sun, Chengju Liu, Qijun Chen, and Rui Fan, “RoadFormer+: Delivering RGB-X Scene Parsing Through Scale-Aware Information Decoupling and Advanced Heterogeneous Feature Fusion,” IEEE Transactions on Intelligent Vehicles (TIV), vol. 10, no. 5, pp. 3156-3165, 2025.
  13. Huaiyuan Xu, Huaping Liu, Shoudong Huang, and Yuxiang Sun, “C2L-PR: Cross-Modal Camera-to-LiDAR Place Recognition via Modality Alignment and Orientation Voting,” IEEE Transactions on Intelligent Vehicles (TIV), vol. 10, no. 2, pp. 1128-1144, 2025.
  14. Yuchao Feng, Zhen Feng, Wei Hua, and Yuxiang Sun, “Multimodal-XAD: Explainable Autonomous Driving Based on Multimodal Environment Descriptions,” IEEE Transactions on Intelligent Transportation Systems (TITS), vol. 25, no. 12, pp. 19469-19481, 2024.
  15. Haotian Li, Henry K. Chu, and Yuxiang Sun, “Temporal Consistency for RGB-Thermal Data-Based Semantic Scene Understanding,” IEEE Robotics and Automation Letters (RAL), vol. 9, no. 11, pp. 9757-9764, 2024.
  16. Keyu Chen, Fang Bai, Shoudong Huang, and Yuxiang Sun, “iMCB-PGO: Incremental Minimum Cycle Basis Construction and Application to Online Pose Graph Optimization,” IEEE Robotics and Automation Letters (RAL), vol. 9, no. 11, pp. 10185-10192, 2024.
  17. Weixin Ma, Huan Yin, Lei Yao, Yuxiang Sun, and Zhongqing Su, “Evaluation of Range Sensing-Based Place Recognition for Long-Term Urban Localization,” IEEE Transactions on Intelligent Vehicles (TIV), vol. 9, no. 5, pp. 4905-4916, 2024.
  18. Zhen Feng, Yanning Guo, and Yuxiang Sun, “Segmentation of Road Negative Obstacles Based on Dual Semantic-Feature Complementary Fusion for Autonomous Driving,” IEEE Transactions on Intelligent Vehicles (TIV), vol. 9, no. 4, pp. 4687-4697, 2024.
  19. Yuchao Feng and Yuxiang Sun, “PolarPoint-BEV: Bird-Eye-View Perception in Polar Points for Explainable End-to-End Autonomous Driving,” IEEE Transactions on Intelligent Vehicles (TIV), vol. 9, no. 11, pp. 6753-6763, 2024.
  20. Weixin Ma, Shoudong Huang, and Yuxiang Sun, “Triplet-Graph: Global Metric Localization Based on Semantic Triplet Graph for Autonomous Vehicles,” IEEE Robotics and Automation Letters (RAL), vol. 9, no. 4, pp. 3155-3162, 2024.
  21. Baolin Wu, Keyu Chen, Danwei Wang, and Yuxiang Sun, “Spacecraft Attitude Takeover Control by Multiple Microsatellites Using Differential Game,” IEEE Transactions on Control of Network Systems (TCNS), vol. 11, no. 1, pp. 474-485, 2024.
  22. Huaiyuan Xu, Jing Liao, Huaping Liu, and Yuxiang Sun, “Learning Semantic Alignment Using Global Features and Multi-Scale Confidence,” IEEE Transactions on Circuits and Systems for Video Technology (TCSVT), vol. 34, no. 2, pp. 897-910, 2024.
  23. Sukai Wang, Yuxiang Sun, Zheng Wang, and Ming Liu, “ST-TrackNet: A Multiple-Object Tracking Network Using Spatio-Temporal Information,” IEEE Transactions on Automation Science and Engineering (TASE), vol. 21, no. 1, pp. 284-295, 2024.
Position Available

Multiple positions for PhD/MPhil students, Research Assistant, and Postdoctoral Fellows are available. MSc students seeking dissertation supervision are welcome. Visiting students and scholars are also welcome. Please feel free to contact me at yx.sun@cityu.edu.hk.

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